A knob can make a surprisingly versatile interface, particularly if it’s the SmartKnob, which builds a knob around a BLDC ...
Screenshot of how the case will fit together: BOM: Seeed XIAO RP2040 Through-hole 1N4148 Diodes (6x) MX-Style switches (6x) EC11 Rotary encoders (1x) 0.91 inch OLED displays (1x) Blank DSA keycaps ...